T9451 Aluminum Blow Off Valve VTA DV+ Adapter Assembly for 2.0T TFSI Engines Compatible with Audi A4 A5 Q5 TT S3 TTS and Volkswagen Golf GTI Jetta Passat 2004-2020

Product Specifications:Model: T9451 / BOV113-BKMaterial: CNC Machined Billet AluminumFinish: Black AnodizedEngine Compatibility: 2.0T TFSI TurbochargedPackage Includes: 1x BOV Adapter, 3x Mounting BoltsQ&A Logic:Q: Will this cause a Check Engine Light (CEL)?A: No, this adapter is designed to work with the factory ECU logic by only venting a portion of the air to the atmosphere, preventing rich conditions.Q: Do I need to remove the original diverter valve?A: No, this is a sandwich-style adapter that installs between the factory diverter valve and the turbo housing.Q: Is professional installation required?A: While installation is straightforward, professional installation is recommended to ensure proper bolt torque and O-ring seating.

• 【Core Usage Scenario】 Designed for automotive enthusiasts looking to achieve the signature atmospheric "whoosh" sound while maintaining the performance of the factory diverter valve on 2.0T TFSI engines.
• Precision CNC Construction: Manufactured from high-grade 6061-T6 aluminum with a black anodized finish for superior corrosion resistance and long-lasting durability in high-heat engine bays.
• VTA Performance Upgrade: This adapter allows for a partial atmospheric vent (Vent-to-Atmosphere) providing the crisp blow-off sound without triggering check engine lights or affecting drivability.
• Direct Bolt-On Fitment: Engineered to fit between the factory solenoid and the turbocharger housing. Includes high-tensile bolts and O-rings for a leak-free installation on stock hardware.
• Wide Vehicle Compatibility: Specifically tailored for 2.0T TFSI platforms including Audi A3 A4 A5 Q5 and VW Golf MK5 MK6 GTI Jetta Passat models from 2004 to 2020.